Lacrimosa

Recording by Calixto Alvarez.

Recording identifiers

ISRC
SEVWU1500110
CopyrightID (CopyrightChains transaction hash)
0x5ec93ec38da5e0b52572c4f5bc4077fc81add66f3c39298c78bcf4a3d237e8e2
Copyright registration time
2026-07-06T09:10:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:99bc37005965f2d22cd91663812a21d4a23dae68bfc0cd66afad029f5b0a21a8

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.